The Panasonic CR2 Lithium Battery (CR2W, CR15270, CR2, DLCR2, EL1CR2, ELCR2, CR-2EP, CR15H270, CR2L) is a high-performance 3V battery ideal for cameras, flashlights, and other high-drain devices. Known for reliable, long-lasting power, it offers excellent performance in extreme temperatures and a long shelf life, ensuring dependable energy whenever needed.